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47 lines
1.6 KiB
PHP
47 lines
1.6 KiB
PHP
<?php
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/**
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* Global Search Engine for Moodle
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* add-on 1.8+ : Valery Fremaux [valery.fremaux@club-internet.fr]
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* 2007/08/02
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*
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* this is a format handler for getting text out of a proprietary binary format
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* so it can be indexed by Lucene search engine
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*/
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/*
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* MS Word extractor
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*/
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function get_text_for_indexing_doc(&$resource){
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global $CFG, $USER;
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// SECURITY : do not allow non admin execute anything on system !!
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if (!isadmin($USER->id)) return;
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// just call pdftotext over stdout and capture the output
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if (!empty($CFG->block_search_word_to_text_cmd)){
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if (!file_exists("{$CFG->dirroot}/{$CFG->block_search_word_to_text_cmd}")){
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mtrace('Error with MSWord to text converter command : exectuable not found.');
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}
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else{
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$file = escapeshellarg($CFG->dataroot.'/'.$resource->course.'/'.$resource->reference);
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$text_converter_cmd = "{$CFG->dirroot}/{$CFG->block_search_word_to_text_cmd} $file";
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if ($CFG->block_search_word_to_text_env){
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putenv($CFG->block_search_word_to_text_env);
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}
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$result = shell_exec($text_converter_cmd);
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if ($result){
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return mb_convert_encoding($result, 'UTF8', 'auto');
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}
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else{
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mtrace('Error with MSWord to text converter command : execution failed.');
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return '';
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}
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}
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}
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else {
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mtrace('Error with MSWord to text converter command : command not set up. Execute once search block configuration.');
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return '';
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}
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}
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?>
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